Finding the Fourth Proportional to 219,365.80, 329,048.70 and 202,085.80
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Solution
The fourth proportional to 219,365.80, 329,048.70 and 202,085.80 is: 303,128.70
Step by Step Solution
- Step 1: Write the proportion equation
219,365.80 : 329,048.70 = 202,085.80 : x - Step 2: Convert to fraction form
219,365.80/329,048.70 = 202,085.80/x - Step 3: Cross multiply
219,365.80x = 329,048.70 × 202,085.80 - Step 4: Simplify right side
219,365.80x = 66,496,069,778.46 - Step 5: Solve for x
x = 66,496,069,778.46/219,365.80 - Step 6: Final answer
x = 303,128.70
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.